216913438

Names of 216913438

• Cardinal: 216913438 can be written as Two hundred sixteen million, nine hundred thirteen thousand, four hundred thirty-eight.

Scientific notation

• Scientific notation: 2.16913438 × 10⁸

Factors of 216913438

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 6
• Sum of prime factors: 377

Divisors of 216913438

• Number of divisors d(n): 64
• Complete list of divisors:
  1 2 7 14 17 34 61 67 119 122 134 223 238 427 446 469 854 938 1037 1139 1561 2074 2278 3122 3791 4087 7259 7582 7973 8174 13603 14518 14941 15946 26537 27206 28609 29882 53074 57218 69479 95221 104587 138958 190442 209174 231251 253997 462502 486353 507994 911401 972706 1618757 1777979 1822802 3237514 3555958 6379807 12759614 15493817 30987634 108456719 216913438
• Sum of all divisors σ(n): 407973888
• Sum of proper divisors (its aliquot sum) s(n): 191060450
• 216913438 is a deficient number, because the sum of its proper divisors (191060450) is less than itself. Its deficiency is 25852988

Bases of 216913438

• Binary: 1100111011011101011000011110₂
• Hexadecimal: 0xCEDD61E
• Base-36: 3L57HA

Squares and roots of 216913438

• 216913438 squared (216913438²) is 47051439584979844
• 216913438 cubed (216913438³) is 10206089523227271122743672
• The square root of 216913438 is 14727.9814638667
• The cube root of 216913438 is 600.8445864909

Scales and comparisons

• 216,913,438 seconds is equal to 6 years, 46 weeks, 4 days, 13 hours, 43 minutes, 58 seconds.
• To count from 1 to 216,913,438 would take you about ten years!

  This is a very rough estimate, based on a speaking rate of half a second every third order of magnitude. If you speak quickly, you could probably say any randomly-chosen number between one and a thousand in around half a second. Very big numbers obviously take longer to say, so we add half a second for every extra x1000. (We do not count involuntary pauses, bathroom breaks or the necessity of sleep in our calculation!)

• A cube with a volume of 216913438 cubic inches would be around 50.1 feet tall.

Recreational maths with 216913438

• 216913438 backwards is 834319612
• The number of decimal digits it has is: 9
• The sum of 216913438's digits is 37
• More coming soon!